3122331231121 has 4 divisors (see below), whose sum is σ = 3122723935744. Its totient is φ = 3121938526500.

The previous prime is 3122331231079. The next prime is 3122331231143. The reversal of 3122331231121 is 1211321332213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3122331231121 - 2¹⁵ = 3122331198353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122331231161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196340385 + ... + 196356286.

It is an arithmetic number, because the mean of its divisors is an integer number (780680983936).

Almost surely, 2^{3122331231121} is an apocalyptic number.

It is an amenable number.

3122331231121 is a deficient number, since it is larger than the sum of its proper divisors (392704623).

3122331231121 is an equidigital number, since it uses as much as digits as its factorization.

3122331231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392704622.

The product of its digits is 1296, while the sum is 25.

Adding to 3122331231121 its reverse (1211321332213), we get a palindrome (4333652563334).

The spelling of 3122331231121 in words is "three trillion, one hundred twenty-two billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty-one".